1 /*
2 * Copyright (c) 2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "form_event_handler.h"
17
18 #include <memory>
19
20 #include "fms_log_wrapper.h"
21
22 namespace OHOS {
23 namespace AppExecFwk {
24 int64_t FormEventHandler::eventId_ = 0;
FormEventHandler(const std::shared_ptr<FormSerialQueue> & serialQueue)25 FormEventHandler::FormEventHandler(const std::shared_ptr<FormSerialQueue> &serialQueue)
26 : serialQueue_(serialQueue)
27 {
28 }
29
ProcessEvent(int64_t msg,int64_t eventId,int64_t delayTime)30 void FormEventHandler::ProcessEvent(int64_t msg, int64_t eventId, int64_t delayTime)
31 {
32 if (serialQueue_ == nullptr) {
33 HILOG_ERROR("null serialQueue_");
34 return;
35 }
36
37 auto task = [thisWeakPtr = weak_from_this(), msg, eventId]() {
38 auto sharedThis = thisWeakPtr.lock();
39 std::lock_guard<std::mutex> lock(sharedThis->observerMutex_);
40 for (auto &observer : sharedThis->observers_) {
41 if (observer == nullptr) {
42 HILOG_ERROR("null observer");
43 continue;
44 }
45 observer->OnEventTimeoutResponse(msg, eventId);
46 }
47 };
48 serialQueue_->ScheduleDelayTask(std::make_pair(msg, eventId), delayTime, task);
49 }
50
GetEventId()51 int64_t FormEventHandler::GetEventId()
52 {
53 eventId_++;
54 return eventId_;
55 }
56
RegisterEventTimeoutObserver(const std::shared_ptr<FormEventTimeoutObserver> & observer)57 void FormEventHandler::RegisterEventTimeoutObserver(const std::shared_ptr<FormEventTimeoutObserver> &observer)
58 {
59 HILOG_DEBUG("call");
60 std::lock_guard<std::mutex> lock(observerMutex_);
61 auto iter = observers_.find(observer);
62 if (iter != observers_.end()) {
63 HILOG_ERROR("observer repeat attach");
64 return;
65 }
66 observers_.emplace(observer);
67 }
68
UnregisterEventTimeoutObserver(const std::shared_ptr<FormEventTimeoutObserver> & observer)69 void FormEventHandler::UnregisterEventTimeoutObserver(const std::shared_ptr<FormEventTimeoutObserver> &observer)
70 {
71 HILOG_DEBUG("call");
72 std::lock_guard<std::mutex> lock(observerMutex_);
73 auto iter = observers_.find(observer);
74 if (iter == observers_.end()) {
75 HILOG_ERROR("observer not exist");
76 return;
77 }
78
79 observers_.erase(iter);
80 }
81 } // namespace AppExecFwk
82 } // namespace OHOS
83